CompTIA Security Plus Mock Test Q1120

RC4 is a strong encryption protocol that is generally used with which of the following?

A. WPA2 CCMP
B. PEAP
C. WEP
D. EAP-TLS

Correct Answer: C
Section: Cryptography

Explanation:
Rivest Cipher 4 (RC4) is a 128-bit stream cipher used WEP and WPA encryption.

Incorrect Answers:
A: Counter Mode with Cipher Block Chaining Message Authentication Code Protocol (CCMP) was created to replace WEP and TKIP/WPA, and is based on the Advanced Encryption
Standard (AES) encryption scheme.
B: PEAP (Protected Extensible Authentication Protocol) fully encapsulates EAP and is designed to work within a TLS (Transport Layer Security) tunnel that may be encrypted but is
authenticated.
D: EAP-TLS is the Extensible Authentication Protocol that makes use of Transport Layer Security protocol for authentication.

References:
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 62, 366